Research papers

Challenges and Opportunities in Electric Propulsion Systems for Low-Altitude eVTOL Aircraft

Low-altitude aviation is rapidly emerging as a transformative solution for next-generation transportation, driving significant advancements in electric propulsion systems.

A Systematic Review of Urban Air Mobility Development: eVTOL Drones’ Technological Challenges and Low-Altitude Policies of Shenzhen

Urban Air Mobility (UAM) is emerging as a transformative solution to urban traffic congestion and inefficient ground travel. This paper presents the UAM development of Shenzhen, a pioneering city of low-altitude economy …

Quantitative assessment of mid-air collision probability in urban air mobility: A safety barrier-based framework for integrated operations

Symbolic and Safety-Centric Formal Verification of MAVLink for Autonomous eVTOL Systems

The growing use of autonomous electric Vertical Takeoff and Landing (A-eVTOL) vehicles demands secure and reliable command and control (C2) communication to meet stringent safety and regulatory requirements.

Battery safety and security for electric urban air mobility

Towards Safer UAV Operations in Urban Air Mobility: 3D Automated Modelling for CFD-Based Microweather Systems

Turbulence and wind gusts pose significant risks to the safety and efficiency of UAVs (uncrewed aerial vehicles) in urban environments.

Integrated Take-off Management and Trajectory Optimization for Merging Control in Urban Air Mobility Corridors

Urban Air Mobility (UAM) has the potential to revolutionize daily transportation, offering rapid and efficient aerial mobility services.

Advancing Aviation Safety and Sustainable Infrastructure: High-Accuracy Detection and Classification of Foreign Object Debris Using Deep Learning Models

Foreign Object Debris (FOD) presents a critical threat to aviation safety, with the potential to damage aircraft and jeopardize lives.

Optimal Location of Urban Air Mobility (UAM) Vertiport Using a Three-Stage Geospatial Analysis Framework

Recent advancements in aviation and automation technologies have catalyzed the emergence of Urban Air Mobility (UAM), an innovative transportation paradigm involving the use of automated vertical take-off and landing air…

Urban Air Mobility, Personal Drones, and the Safety of Occupants - A Comprehensive Review

Urban air mobility (UAM) is expected to provide environmental benefits while enhancing transportation for citizens and businesses, particularly in commercial and emergency medical applications.

Urban Air Mobility Aircraft Operations in Urban Environments: A Review of Potential Safety Risks

The expansion of Urban Air Mobility (UAM) has led to diverse aircraft designs, with piloted systems expected to evolve into remotely piloted and automated operations.

Designing an Urban Air Mobility Corridor Network: A Multi-Objective Optimization Approach Using U-NSGA-III

The corridor network serves as an effective solution for the airspace structure safety design of UAM. However, current studies rarely account for the ground risk posed by the corridor operation and typically consider a s…

Preliminary Safety Assessment of a Liquid Hydrogen Storage System for Commercial Aviation

The development of liquid hydrogen storage systems is a key aspect to enable future clean air transportation. However, safety analysis research for such systems is still limited and is hindered by the limited experience …

Decoding the Vertiport: Planning for Urban Air Mobility

The potential of advanced air mobility (AAM) has recently been receiving a tremendous amount of attention in both the media and within the research literature.

Prediction of Urban Air Mobility and Drone Accident Rates and the Role of Urban Management Systems

Urban air mobility (UAM) and drones can significantly improve traffic movement in saturated cities because the skies above them are not frequently used; furthermore, they do not require large-scale infrastructure, like r…

On-Demand Urban Air Mobility Scheduling with Operational Considerations

This paper introduces an on-demand sequencing and scheduling framework for Urban Air Mobility (UAM) with electric vertical takeoff and landing (eVTOL) aircraft.

Aerial-Terrestrial Heterogeneous Networks for Urban Air Mobility: A Performance Analysis

Urban air mobility (UAM) is increasingly capturing the attention of researchers and industry experts, as it holds the promise of providing faster and more economical solutions for urban commuting.

Urban Air Mobility Communications and Networking: Recent Advances, Techniques, and Challenges

Over the past few years, our traditional ground-based transportation system has encountered various challenges, including overuse, traffic congestion, growing urban populations, high infrastructure costs, and disorganiza…

Wind of Change: Investigating Information Visualizations for Passengers and Residents' Perception of Automated Urban Air Mobility

Automated Urban Air Mobility (UAM) is expected to improve passenger transportation but raises concerns about passenger trust and its impact on residents.

Secondary Voltage Control for DC Microgrids: A Design Perspective for SoC With Voltage Restoration Provision

The energy management system (EMS) secondary voltage control design, integrating state-of-charge (SoC) equalization and droop control in redundancy-based dc microgrids (MGs), is ideal for vehicles, aircraft, and medical …

Urban Air Mobility Passengers’ Profiling: Evidence from Milan Airports, Italy

Urban air mobility (UAM) is expected to offer new travel options for passengers to and from airports in the near future, despite uncertainties associated with regulatory issues, environmental concerns, and societal impac…

Joint Optimization of Cost and Scheduling for Urban Air Mobility Operation Based on Safety Concerns and Time-Varying Demand

As the value and importance of urban air mobility (UAM) are being recognized, there is growing attention towards UAM. To ensure that urban air traffic can serve passengers to the greatest extent while ensuring safety and…

Hazard Analysis for Massive Civil Aviation Safety Oversight Reports Using Text Classification and Topic Modeling

There are massive amounts of civil aviation safety oversight reports collected each year in the civil aviation of China. The narrative texts of these reports are typically short texts, recording the abnormal events detec…

Enhancing aviation safety and mitigating accidents: A study on aviation safety hazard identification

RIS-Aided Trajectory Optimization in Layered Urban Air Mobility

Urban air mobility (UAM) relies on developing aerospace industries, where safe aviation and efficient communication are critical features of aircraft.

Performance Analysis and Conceptual Design of Lightweight UAV for Urban Air Mobility

In the present study, a performance analysis of three different VTOL configurations is presented within an urban air mobility context.

Cognitive Biases in Commercial Aviation: Empirical Review of Accident Reports

Cognitive biases in commercial aviation can coax pilots into disregarding established protocols or overlooking potential hazards, a concern that the Federal Aviation Administration (FAA) has acknowledged.

Towards enhancing the safety of Advanced Air Mobility: Automatic 3D inter-urban modelling for improved weather monitoring

Abstract. Advanced Air Mobility (AAM) is an emerging sector that aims to optimise transportation in urban and interurban environments using Unmanned Aerial Vehicles (UAVs).

Considerations for Hydrogen Fueled Aerospace Gas Turbine Combustion Sub-System Design

As part of its commitment to the decarbonization of the aviation sector and the UN Race to Zero global campaign, Rolls-Royce is actively developing hydrogen combustion gas turbine engine technology capable of powering a …

Exploring Safety Culture in Urban Air Mobility: System of Systems Perspectives Using Enterprise Architecture

Urban Air Mobility (UAM) is an emerging industry marked by technological advancements, new operational contexts, and regulatory frameworks.

Risk Assessment of Loss of Control In-Flight Trajectories for Urban Air Mobility Safety

In Urban Air Mobility (UAM), maintaining a minimum separation between aircraft is a safety requirement, which becomes challenging amidst congested air traffic and off-nominal conditions, such as Loss of Control In-flight…

Toward robust and efficient communications for urban air mobility

For the realization of the future urban air mobility, reliable information exchange based on robust and efficient communication between all airspace participants will be one of the key factors to ensure safe operations.

Energy management of an eVTOL aircraft with optimization based on the Equivalent Consumption Minimization Strategy (ECMS)

This article introduces an optimization-based energy management strategy developed and validated for electric vertical take-off and landing (eVTOL) aircraft.

Exploring the intellectual insights in aviation safety research: A systematic literature and bibliometric review

Autonomous Navigation for eVTOL: Review and Future Perspectives

This survey paper explores the emergent domain of electric vertical takeoff and landing vehicles (eVTOLs), emphasizing the critical role of autonomous navigation capabilities essential for their effective integration and…

Flight Mission Feasibility Assessment of Urban Air Mobility Operations under Battery Energy Constraint

This paper introduces a decision-making framework for Urban Air Mobility (UAM) and Unmanned Aerial Systems (UAS) operations that addresses the dual challenges of collision safety and battery energy constraints.

Certification Aspects of Runtime Assurance for Urban Air Mobility

The transition towards autonomous operations for Urban Air Mobility introduces significant safety challenges, necessitating novel safety assurance strategies.

A Review on Airspace Design and Risk Assessment for Urban Air Mobility

The increasing deterioration of urban traffic congestion has led to the emergence of Urban Air Mobility (UAM). UAM seeks to reduce congestion by offering flexible and efficient aerial transportation using electric vertic…

Synthetic Data-Integrated Li-Ion Battery Modeling for eVTOL Energy Systems

Lithium-ion batteries play a crucial role in present-day energy storage systems, necessitating the development of precise prediction models to improve their performance and ensure safety.

5G-Based Synchronous Network for Air Traffic Monitoring in Urban Air Mobility

In the next decade, Urban Air Mobility (UAM) is expected to become a global reality. Its success hinges on the realization of infrastructures for air traffic control and management (ATM) to guarantee security and safety …

Safe Architecture Design of Flight Control System for eVTOL

Advanced flight control system, aviation battery and motor technologies are driving the rapid development of eVTOL to offer possibilities for Urban Air Mobility.

GOVERNANCE NETWORK ON AVIATION SAFETY: A SYSTEMATIC LITERATURE REVIEW

The governance network serves as a crucial conceptual framework to be applied within the context of air transportation policy, particularly concerning aviation safety.

Markers of oxidative stress during post-COVID-19 fatigue: a hypothesis-generating, exploratory pilot study on hospital employees

Introduction Post-COVID-19 fatigue is common after recovery from COVID-19. Excess formation of reactive oxygen species (ROS) leading to oxidative stress-related mitochondrial dysfunction is referred to as a cause of thes…

Leveraging eye-tracking technologies to promote aviation safety- A review of key aspects, challenges, and future perspectives

Investigating Runway Incursion Incidents at United States Airports

According to the Federal Aviation Administration (FAA), the number of runway incursions is increasing. Over the last two decades, the number of runway incursions at U.S.

Can Urban Air Mobility become reality? Opportunities and challenges of UAM as innovative mode of transport and DLR contribution to ongoing research

Urban Air Mobility (UAM) is a new air transportation system for passengers and cargo in urban environments, enabled by new technologies and integrated into multimodal transportation systems.

Challenges to the Operational Safety and Security of eVTOL Aircraft in Metropolitan Regions: A Literature Review

The start of urban air mobility operations using helicopters began in 1940s in Los Angeles to transport passengers and mail between various locations.

Qualitative Analysis of General Aviation Pilots’ Aviation Safety Reporting System Incident Narratives Using the Human Factors Analysis and Classification System

ABSTRACT NASA's Aviation Safety Reporting System (ASRS) gathers data from voluntary aviation safety reports for nonfatal accidents and incidents.

Natural Language Processing (NLP) in Aviation Safety: Systematic Review of Research and Outlook into the Future

Advanced digital data-driven applications have evolved and significantly impacted the transportation sector in recent years. This systematic review examines natural language processing (NLP) approaches applied to aviatio…

A Layered Structure Approach to Assure Urban Air Mobility Safety and Efficiency

The demand for air mobility services will depend on the safety of these operations but also on the transportation time savings in congested urban areas.